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considering new wheels 17x 8.5 need advice..

Hello everyone,
I am considering a wheel upgrade for my 89 635csi 5spd turbo. The car currently has 225-50-15 all the way around on borbet type h wheels with the hub centric ring. The car has developed a bad vibration between 80 and 120mph, I have a feeling it is due to a bent wheel or possibly the hub rings are becoming rusty. Ebay has a set of wheels I was considering. What would be the largest recommended tire size to fit on these? I need as much tire in the rear as possible as it is hard to keep 1st and 2nd from spinning at any boost level right now. I was thinking 235-40-17 in the front and 255-40-17 in the rear bfg g-force tires. Any thoughts or experiences are appreciated.
-Kelvin

Re: considering new wheels 17x 8.5 need advice..

My wife got me a set of Rondell 58's in 8.5 X 17 and 10 X 17 with a set of Michelin Pilot Sport PS2's in 235 45 17 and 265 40 17 for Christmas. I could not be happier with the fit or the finish. The Chrome Stern wheels are too much BLING and the Chrome finish will last about a week maybe 2 before it pits and peels.

Re: considering new wheels 17x 8.5 need advice..

I would love to get a set of the style 58. That is what attracted me to the ones on ebay in the first place, they look very similar. My car is white and I am not against chrome but I would prefer silver. Here is a pic of my car now.

Re: considering new wheels 17x 8.5 need advice..

Get the BMW Style 32, the staggered set that was found on the 540i Sport. I have them on my 79' 633csi and they look fantastic. kinda like a cheaper version of the Alpinas<img src="http://www.roadfly.org/bmw/gallery/picture.php?" path=26956,1;-24,4;

they are cheap..

stern apparently was manufactured in japan for a while and had a reputation for good quality. They are now cast and manufactured in china. With the shipping it's really 550 or so which is still cheap. I am not considering these at all anymore because i need a staggered set and I agree chrome is too much bling. Anyone know of a new staggered set of 17" that are less than 1000?

Re: a pic link that works.

I put 17x10 on the rear of the M635, and it still

will spin the tires 1st and second (LSD). Ive got 17x9 rear on 'Rootbeer'(85 635i w/upgrades). Both cars are staggered as I believe they originally should have been. Handles way better in my opinion...unless you go with much smaller wheels.

bought nice set of e38 16"x8 mesh spacer needed?

Hey everyone,
I picked up a nice set of mesh wheels and center caps off a 740. These seem to be a good compromise between looks and performance. I have been reading however that I will need front spacers as they have an offset of 23. I plan on running 225-50-16 on the front and 265-45-16 on the rear. I know the rear will fit no problem, but I am concerned with rubbing on the struts in the front. Will a 5mm spacer be enough and also have enough of the hub lip still protruding to center the front wheels? If not I will have to get 10mm hubcentric spacers and longer studs. Thanks in advance for the advice.
-Kelvin